Session Notes for R1 (Rapid Turnaround Monday) session: r1105 Prepared by C. Thomas, NVI, Inc./GSFC Refer to http://ivscc.gsfc.nasa.gov/program/descrip2003.html#r1 for the session purpose. =========================================================== Parameter values for experiment R1105 Experiment description: IVS-R1 Scheduler: NASA Correlator: HAYSTACK Nominal start: 2004-012-17:00:00 Nominal end: 2004-013-17:00:00 Current yyyyddd: 2004012 (2004.03) ( 13017 MJD, MON. 12JAN.) Greenwich sidereal time: 0:26: 9.00 (17: 0: 0 UT) Sun's RA and DEC: 19h 34.3m -21d 40.1 =========================================================== There are no observations for Wettzell from 18:00 U.T. to 20:00 U.T. Wettzell will participate in the intensive session during this two hour period. =========================================================== First observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 2121+053 04012-170000| 190 190 190 | 3C371 04012-170000| 82 132 132 118| =========================================================== Last observations Source Start DURATIONS name yyddd-hhmmss Gc Hh Ma Sh Tc Wf Wz 1219+044 04013-163829| 190 190 | 2121+053 04013-164211| 190 190 190 190 190| 0106+013 04013-164847| 40 40 40| =========================================================== SKED Summary from file ./r1105.skd for experiment R1105 (all scans with at least one subnet station) Average number of obs. per baseline per source (normalized by up-time) = 7.5 Min = .0 Max = 144.0 (Baseline Gc-Hh on 1606+106) RMS = 8.8 Total time: 1429 minutes ( 23.8 hours). Key: Gc=GILCREEK Hh=HARTRAO Ma=MATERA Sh=SESHAN25 Tc=TIGO Wf=WESTFORD Wz=WETTZELL Gc Hh Ma Sh Tc Wf Wz Avg % obs. time: 36 19 38 27 17 41 34 30 % cal. time: 4 1 4 2 1 3 3 3 % slew time: 25 31 30 42 3 17 13 23 % idle time: 34 47 26 27 78 36 48 42 total # scans: 351 161 343 224 106 340 342 266 # scans/hour : 14 6 14 9 4 14 14 11.1 Avg scan (sec): 88 103 95 105 138 105 85 102 Total GBytes: 1107 583 1162 825 504 1251 1048 925 # of 8-packs: 1.2 .6 1.2 .9 .5 1.3 1.1 # of tapes : 1.9 1.1 2.1 1.5 .9 2.2 1.9 tape change times (hhmm): 0511 1632 0427 0927 0000 0320 0700 0000 0000 1622 0000 0000 1438 0000 Total number of tapes: 11.6 Total GBytes recorded: 6484.1 # OF OBSERVATIONS BY BASELINE | Gc Hh Ma Sh Tc Wf Wz StnTotal ------------------------------------------ Gc|351 16 176 175 50 254 201 872 Hh| 161 137 51 36 64 113 417 Ma| 343 121 45 204 300 983 Sh| 224 1 92 120 560 Tc| 106 97 46 275 Wf| 340 220 931 Wz| 342 1000 Number of 2-station scans: 168 Number of 3-station scans: 143 Number of 4-station scans: 147 Number of 5-station scans: 98 Number of 6-station scans: 4 Number of 7-station scans: 0 Total # of scans, observations: 560 2519 =========================================================== Recording mode Name Code GEOSX4F 4F Recording mode setup for: GILCREEK Mode Tot.Rate Tot.BandW #chan #bits Barrel VLBA1:2 256.000 Mbits 128.000 MHz 14 1 8:1 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 Recording mode setup for: HARTRAO MATERA SESHAN25 TIGOCONC WESTFORD WETTZELL Mode Tot.Rate Tot.BandW #chan #bits Barrel Mk341:2 256.000 Mbits 128.000 MHz 14 1 16 Chan.BW #Subpasses Tracks(*fan) Tot.tracks Speed 8.00 MHz 1 16(*2) 32 160.00 X-band spanned bw= 720.0 MHz rms spanned bw= 280.4 MHz S-band spanned bw= 120.0 MHz rms spanned bw= 48.8 MHz Effective number of channels recorded per sub-pass X S Total 10.000 6.000 16.000 =========================================================== Tape types ID Station Tape length Speed ID Station Tape length Speed Gc GILCREEK 17400feet (Thin ) 56700. (High) 14 Hh HARTRAO 17400feet (Thin ) 56250. (High) 14 Ma MATERA 17400feet (Thin ) 56250. (High) 14 Sh SESHAN25 17400feet (Thin ) 56250. (High) 14 Tc TIGOCONC 17400feet (Thin ) 56250. (High) 14 Wf WESTFORD 17400feet (Thin ) 56250. (High) 14 Wz WETTZELL 17400feet (Thin ) 56250. (High) 14 =========================================================== SNR Targets Minimum SNR by baseline for multi-baseline scans X-band (margin 5) S-band (margin 3) Gc Hh Ma Sh Tc Wf Gc Hh Ma Sh Tc Wf Hh 20 Hh 15 Ma 20 20 Ma 15 15 Sh 20 20 20 Sh 15 15 15 Tc 15 15 15 15 Tc 12 12 12 12 Wf 20 20 20 20 15 Wf 15 15 15 15 12 Wz 20 20 20 20 15 20 Wz 15 15 15 15 12 15